Journal
SOLVENT EXTRACTION AND ION EXCHANGE
Volume 32, Issue 3, Pages 221-248Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/07366299.2013.877753
Keywords
vanadium; chemical precipitation separation; ion exchange; solvent extraction; purification
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In the V2O5 production process, purification of vanadium-bearing solution plays an important role in determining the quality of the final product. The choice of purification method depends on the vanadium species, aqueous media, and associated impurities. In this review, the recent research results for the separation and recovery of vanadium from leaching solution with solvent extraction, ion exchange, and chemical precipitation separation are presented. The effects of the main operational parameters on the efficiency of purification with these three methods are compared and discussed respectively, and several problems existing in these processes are proposed.
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